1. Center for Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey Veterans Affairs Medical Center and Baylor College of Medicine, Houston, TX
2. Department of Medicine, Baylor College of Medicine, Houston, TX
3. Geisinger, Danville, PA
4. University of Exeter, Exeter, United Kingdom
5. Epidemiology of Cancer Healthcare and Outcomes, Institute of Epidemiology and Health Care, University College London, London, United Kingdom